<span *ngFor="let rating of ratingsList; let i = index;">
  <span *ngIf="i !== 0">,&nbsp;</span>
  <tm-contribution [value]="rating"></tm-contribution>
</span>
<span *ngIf="!ratingsList.length">
  <tm-contribution [value]="CONTRIBUTION_POINT_NOT_SUBMITTED"></tm-contribution>
</span>
